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Finding the Fourth Proportional to 80,442.64, 111,012.64 and 44,631.32

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Solution

The fourth proportional to 80,442.64, 111,012.64 and 44,631.32 is: 61,592.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,442.64 : 111,012.64 = 44,631.32 : x
  2. Step 2: Convert to fraction form
    80,442.64/111,012.64 = 44,631.32/x
  3. Step 3: Cross multiply
    80,442.64x = 111,012.64 × 44,631.32
  4. Step 4: Simplify right side
    80,442.64x = 4,954,640,659.88
  5. Step 5: Solve for x
    x = 4,954,640,659.88/80,442.64
  6. Step 6: Final answer
    x = 61,592.22

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